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Cheap flights from Philadelphia to Saint Croix from $268

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Saint Croix departing on 6/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Philadelphia to Saint Croix

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
8:20 am - 8:38 pm
PHL
-
STX
12h 18m
1 stop
American Airlines Logo
1:50 pm - 10:45 pm
STX
-
PHL
8h 55m
1 stop
$476American Airlines
Tue, Sep 1 - Wed, Sep 30
American Airlines Logo
8:23 am - 8:38 pm
PHL
-
STX
12h 15m
2 stops
American Airlines Logo
1:50 pm - 7:39 am
STX
-
PHL
17h 49m
2 stops
$480American Airlines
Tue, Sep 1 - Wed, Sep 30
American Airlines Logo
10:00 am - 8:44 pm
PHL
-
STX
10h 44m
1 stop
American Airlines Logo
9:00 am - 5:57 pm
STX
-
PHL
8h 57m
1 stop
$481American Airlines
Wed, Jul 1 - Fri, Jul 31
American Airlines Logo
8:20 am - 5:52 pm
PHL
-
STX
8h 32m
1 stop
American Airlines Logo
6:42 pm - 8:42 am
STX
-
PHL
15h 00m
2 stops
$485American Airlines
Wed, Nov 11 - Wed, Nov 18
American Airlines Logo
6:01 am - 8:44 pm
PHL
-
STX
14h 43m
1 stop
American Airlines Logo
9:01 am - 12:57 am
STX
-
PHL
15h 56m
1 stop
$496American Airlines
Fri, Jun 12 - Sun, Jun 14
JetBlue Logo
12:04 pm - 3:36 pm
PHL
-
STX
27h 32m
1 stop
JetBlue Logo
4:34 pm - 4:04 pm
STX
-
PHL
23h 30m
2 stops
$500JetBlue
Tue, Jul 21 - Tue, Aug 4
American Airlines Logo
6:00 am - 8:50 pm
PHL
-
STX
14h 50m
1 stop
American Airlines Logo
4:50 pm - 7:27 am
STX
-
PHL
14h 37m
1 stop
$511American Airlines
Thu, Jul 16 - Sat, Jul 25
American Airlines Logo
9:50 pm - 12:55 pm
PHL
-
STX
15h 05m
1 stop
American Airlines Logo
1:50 pm - 7:39 am
STX
-
PHL
17h 49m
2 stops
$515American Airlines
Sun, Sep 13 - Sat, Sep 19
American Airlines Logo
11:34 am - 8:44 pm
PHL
-
STX
9h 10m
1 stop
American Airlines Logo
3:46 pm - 10:47 pm
STX
-
PHL
7h 01m
1 stop
$516American Airlines
Mon, Jun 8 - Tue, Jun 9
American Airlines Logo
10:16 am - 8:44 pm
PHL
-
STX
10h 28m
2 stops
American Airlines Logo
3:46 pm - 12:57 am
STX
-
PHL
9h 11m
1 stop
$520American Airlines
Tue, Jun 9 - Wed, Jun 10

JetBlue flights from Philadelphia to Saint Croix

Our best JetBlue deals on Philadelphia to Saint Croix flight tickets
JetBlue
Jul 21
PHL12:04 pmPhiladelphia
27h 32m
1 stop
STX3:36 pmChristiansted Henry Rohlsen
Aug 4
STX4:34 pmChristiansted Henry Rohlsen
23h 30m
2 stops
PHL4:04 pmPhiladelphia
$500
JetBlue
Jun 10
PHL11:15 amPhiladelphia
28h 21m
1 stop
STX3:36 pmChristiansted Henry Rohlsen
Jun 17
STX4:34 pmChristiansted Henry Rohlsen
15h 04m
2 stops
PHL7:38 amPhiladelphia
$522
JetBlue
Jul 29
PHL12:04 pmPhiladelphia
27h 32m
1 stop
STX3:36 pmChristiansted Henry Rohlsen
Aug 2
STX4:34 pmChristiansted Henry Rohlsen
23h 30m
2 stops
PHL4:04 pmPhiladelphia
$538

American Airlines flights from Philadelphia to Saint Croix

Our best American Airlines deals on Philadelphia to Saint Croix flight tickets
American Airlines
Sep 1
PHL8:20 amPhiladelphia
12h 18m
1 stop
STX8:38 pmChristiansted Henry Rohlsen
Sep 30
STX1:50 pmChristiansted Henry Rohlsen
8h 55m
1 stop
PHL10:45 pmPhiladelphia
$476
American Airlines
Sep 1
PHL8:23 amPhiladelphia
12h 15m
2 stops
STX8:38 pmChristiansted Henry Rohlsen
Sep 30
STX1:50 pmChristiansted Henry Rohlsen
17h 49m
2 stops
PHL7:39 amPhiladelphia
$480
American Airlines
Jul 1
PHL10:00 amPhiladelphia
10h 44m
1 stop
STX8:44 pmChristiansted Henry Rohlsen
Jul 31
STX9:00 amChristiansted Henry Rohlsen
8h 57m
1 stop
PHL5:57 pmPhiladelphia
$481

momondo Fare Finder

 
Customize your flight search to find flights from Philadelphia to Saint Croix that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated May 18, 2026.
Use the filters below to find and compare flights from Philadelphia to Saint Croix that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaChristiansted

PHL - STX

PHLSTX

Philadelphia

Tue 9/1

8:20 am-8:38 pm

1 stop12h 18m

Christiansted Henry Rohlsen

Wed 9/30

1:50 pm-10:45 pm

1 stop8h 55m

$476

PhiladelphiaChristiansted

PHL - STX

PHLSTX

Philadelphia

Tue 9/1

8:23 am-8:38 pm

2 stops12h 15m

Christiansted Henry Rohlsen

Wed 9/30

1:50 pm-7:39 am

2 stops17h 49m

$480

PhiladelphiaChristiansted

PHL - STX

PHLSTX

Philadelphia

Wed 7/1

10:00 am-8:44 pm

1 stop10h 44m

Christiansted Henry Rohlsen

Fri 7/31

9:00 am-5:57 pm

1 stop8h 57m

$481

PhiladelphiaChristiansted

PHL - STX

PHLSTX

Philadelphia

Wed 11/11

8:20 am-5:52 pm

1 stop8h 32m

Christiansted Henry Rohlsen

Wed 11/18

6:42 pm-8:42 am

2 stops15h 00m

$485

PhiladelphiaChristiansted

PHL - STX

PHLSTX

Philadelphia

Fri 6/12

6:01 am-8:44 pm

1 stop14h 43m

Christiansted Henry Rohlsen

Sun 6/14

9:01 am-12:57 am

1 stop15h 56m

$496

PhiladelphiaChristiansted

PHL - STX

PHLSTX

Philadelphia

Tue 7/21

12:04 pm-3:36 pm

1 stop27h 32m

Christiansted Henry Rohlsen

Tue 8/4

4:34 pm-4:04 pm

2 stops23h 30m

$500

PhiladelphiaChristiansted

PHL - STX

PHLSTX

Philadelphia

Thu 7/16

6:00 am-8:50 pm

1 stop14h 50m

Christiansted Henry Rohlsen

Sat 7/25

4:50 pm-7:27 am

1 stop14h 37m

$511

PhiladelphiaChristiansted

PHL - STX

PHLSTX

Philadelphia

Sun 9/13

9:50 pm-12:55 pm

1 stop15h 05m

Christiansted Henry Rohlsen

Sat 9/19

1:50 pm-7:39 am

2 stops17h 49m

$515
Quickest round-trip

PhiladelphiaChristiansted

PHL - STX

PHLSTX

Philadelphia

Mon 6/8

11:34 am-8:44 pm

1 stop9h 10m

Christiansted Henry Rohlsen

Tue 6/9

3:46 pm-10:47 pm

1 stop7h 01m

$516

PhiladelphiaChristiansted

PHL - STX

PHLSTX

Philadelphia

Tue 6/9

10:16 am-8:44 pm

2 stops10h 28m

Christiansted Henry Rohlsen

Wed 6/10

3:46 pm-12:57 am

1 stop9h 11m

$520

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Saint Croix from

How to get the cheapest flight ticket from Philadelphia to Saint Croix

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Saint Croix?

The month of February is another great option to travel to Saint Croix, with average flight prices from Philadelphia averaging around $198.

Cheap Philadelphia to Saint Croix flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Saint Croix

Fastest flight time

8h 56m

Direct flights

None
The fastest flight from Philadelphia to Saint Croix takes 8h 56m
There are no direct flights from Philadelphia to Saint Croix. There are no popular flight routes from Philadelphia to Saint Croix.
Search flight deals

Frequently asked questions about flying from Philadelphia to Saint Croix

  • When did momondo last update prices for flights from Philadelphia Airport to Saint Croix?

    Prices for flights from Philadelphia Airport to Saint Croix are refreshed on a daily basis.

  • How many operators does momondo search for flights from Philadelphia Airport to Saint Croix?

  • How old do you have to be to fly from Philadelphia Airport to Saint Croix?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Philadelphia Airport to Saint Croix.

  • What documentation or ID do you need to fly to Saint Croix?

    The travel and health documents you'll need for your trip to Saint Croix may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Saint Croix. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Philadelphia to Saint Croix

Compare and see reviews for airlines that fly from Philadelphia to Saint Croix with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $179Free CancellationRating
6.2
8,616 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $430Free CancellationRating
7.1
11,648 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Saint Croix?

Finding the right flight to Saint Croix from Philadelphia is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Saint Croix quick and easy, saving you time and money.

Can I find flights from Philadelphia to Saint Croix with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Saint Croix from Philadelphia with this policy.

How can momondo help me find flights from Philadelphia to Saint Croix?

Once you have performed a search for Philadelphia to Saint Croix flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Philadelphia to Saint Croix right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Philadelphia to Saint Croix flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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